PARADYNE CORPORATION
====================

   ACCULINK 3165 DSU/CSU

   Card Type           DSU/CSU                                    
   NIC Type            T1                                         
   Chip Set            Unidentified                               
   I/O Options         DTE port, network interface via RJ-45      
                       connector, modem port                      
                                                                  
                       test jacks (2), power jack, communications 
                       port                                       
   Maximum Modem Rate  2400bps                                    
   Data Modulation     V.22                                       
   Protocol            
   Wiring Type         RJ-48 120ohm shielded twisted pair         
   Maximum Data Rate   56Kbps (64Kbps full duplex)                
   Data Bus            External                                   

<gopher://bitreich.org/I/th99/t/P-R/54407-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function      | Label |       Function        | Label |
   |--------------------+-------+-----------------------+-------|
   | Test jack - line   |  CN1  | Communication port    |  CN5  |
   | in                 |       |                       |       |
   |--------------------+-------+-----------------------+-------|
   | Test jack - line   |  CN2  | Modem port via RJ-11  |  CN6  |
   | in                 |       |                       |       |
   |--------------------+-------+-----------------------+-------|
   | Power Jack         |  CN3  | Network interface via |  CN7  |
   |                    |       | RJ-45 connector       |       |
   |--------------------+-------+-----------------------+-------|
   | DTE port (25-pin   |  CN4  |                       |       |
   | serial connector)  |       |                       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  |  Color   |  Status  |           Condition           |
   |------+----------+----------+-------------------------------|
   |  OK  |  Green   |    On    |      DSU/CSU power is on      |
   |------+----------+----------+-------------------------------|
   |  OK  |   Green  | Blinking |    DSU/CSU is downloading     |
   |      |          |          |           software            |
   |------+----------+----------+-------------------------------|
   |  OK  |   Green  |   Off    |    DSU/CSU power is off or    |
   |      |          |          |  detecting a system failure   |
   |------+----------+----------+-------------------------------|
   | FAIL |  Yellow  |    On    |  Error has been detected on   |
   |      |          |          |            network            |
   |------+----------+----------+-------------------------------|
   | FAIL |   Yellow |   Off    |  Error has not been detected  |
   |      |          |          |          on network           |
   |------+----------+----------+-------------------------------|
   | FAIL |  Yellow  | Blinking | DSU/CSU is conducting a self  |
   |      |          |          |             test              |
   |------+----------+----------+-------------------------------|
   | TST  |  Yellow  |    On    |  DSU/CSU is executing a test  |
   |------+----------+----------+-------------------------------|
   | TST  |   Yellow |   Off    |  DSU/CSU is not executing a   |
   |      |          |          |             test              |
   |------+----------+----------+-------------------------------|
   | SIG  |  Green   |    On    |    DSU/CSU is receiving a     |
   |      |          |          |    recoverable signal from    |
   |      |          |          |            network            |
   |------+----------+----------+-------------------------------|
   | SIG  |  Green   |   Off    |  DSU/CSU cannot recover the   |
   |      |          |          |      signal from network      |
   |------+----------+----------+-------------------------------|
   | OOF  |  Yellow  |    On    |    Out of frame condition     |
   |      |          |          |      detected on network      |
   |------+----------+----------+-------------------------------|
   | OOF  |   Yellow |   Off    |  Out of frame condition not   |
   |      |          |          |      detected on network      |
   |------+----------+----------+-------------------------------|
   | ALM  |  Yellow  |    On    |  Alarm condition detected on  |
   |      |          |          |            network            |
   |------+----------+----------+-------------------------------|
   | ALM  |   Yellow |   Off    | Alarm condition not detected  |
   |      |          |          |          on network           |
   |------+----------+----------+-------------------------------|
   | EER  |  Yellow  |    On    | Excessive error rate exceeded |
   |      |          |          |          on network           |
   |------+----------+----------+-------------------------------|
   | EER  |   Yellow |   Off    |   Excessive error rate not    |
   |      |          |          |      exceeded on network      |
   |------+----------+----------+-------------------------------|
   | DTR  |  Green   |    On    |      DTR signal is high       |
   |------+----------+----------+-------------------------------|
   | DTR  |   Green  |   Off    |       DTR signal is low       |
   |------+----------+----------+-------------------------------|
   | TXD  |  Yellow  |    On    | Receiving all zeros from the  |
   |      |          |          |              DTE              |
   |------+----------+----------+-------------------------------|
   | TXD  |   Yellow |   Off    |  Receiving all ones from the  |
   |      |          |          |              DTE              |
   |------+----------+----------+-------------------------------|
   | TXD  |  Yellow  | Blinking |   Data is being transferred   |
   |------+----------+----------+-------------------------------|
   | RXD  |  Yellow  |    On    |  Transmitting all zeros from  |
   |      |          |          |            the DTE            |
   |------+----------+----------+-------------------------------|
   | RXD  |   Yellow |   Off    |  Transmitting all ones from   |
   |      |          |          |            the DTE            |
   |------+----------+----------+-------------------------------|
   | RXD  |  Yellow  | Blinking |   Data is being transferred   |
   |------+----------+----------+-------------------------------|
   | CTS  |  Yellow  |    On    |      CTS signal is high       |
   |------+----------+----------+-------------------------------|
   | CTS  |   Yellow |   Off    |       CTS signal is low       |
   |------+----------+----------+-------------------------------|
   | RTS  |  Yellow  |    On    |      RTS signal is high       |
   |------+----------+----------+-------------------------------|
   | RTS  |   Yellow |   Off    |       RTS signal is low       |
   +------------------------------------------------------------+